The Apple Watch is the most ambitious, well-constructed smartwatch ever seen, but first-gen shortfalls make it feel more like a fashionable toy than a necessary tool. That may change with a big software update later this year, though.

Wearables are one of the biggest trends in the technology world right now. As CNET's Lexy Savvides reports, a new wave of devices want to do more than just monitor your heart rate: they aim to change the way you feel.